Hi Jia, Thank you for the patch! Yet something to improve:
[auto build test ERROR on v4.15-rc5] [also build test ERROR on next-20180102] [cannot apply to tip/x86/core] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jia-Zhang/x86-microcode-intel-Blacklist-the-specific-BDW-EP-for-late-loading/20180103-040752 config: i386-randconfig-x010-201800 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/kernel/cpu/microcode/intel.c: In function 'is_blacklisted': >> arch/x86/kernel/cpu/microcode/intel.c:920:7: error: 'struct cpuinfo_x86' has >> no member named 'x86_stepping' c->x86_stepping == 0x01 && c->microcode < 0x0b000021) { ^~ vim +920 arch/x86/kernel/cpu/microcode/intel.c 908 909 static bool is_blacklisted(unsigned int cpu) 910 { 911 struct cpuinfo_x86 *c = &cpu_data(cpu); 912 913 /* 914 * The Broadwell-EP processor with the microcode version less 915 * then 0x0b000021 may result in system hang when running a late 916 * loading. This behavior is documented in item BDF90, #334165 917 * (Intel Xeon Processor E7-8800/4800 v4 Product Family). 918 */ 919 if (c->x86 == 6 && c->x86_model == INTEL_FAM6_BROADWELL_X && > 920 c->x86_stepping == 0x01 && c->microcode < 0x0b000021) { 921 pr_err_once("Not loading old microcode version: erratum BDF90 on Intel Broadwell-EP stepping 1 CPUs may cause system hangs.\n"); 922 pr_err_once("Please update your microcode version through BIOS update or early loading from the initrd.\n"); 923 return true; 924 } 925 926 return false; 927 } 928 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
